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Astoria 28021

Astoria 28021 Union Grinder R4899.1

Regular price $28.37

This part ships directly from Astoria and stock is not guaranteed. Lead time averaging 3 to 5 business days for ground shipments, 1 to 2 business days for Overnight.

If unavailable, the item will be backordered. If you have any questions check parts sheets below description. Please email or chat to confirm availability prior to ordering.

Description Details

Astoria Espresso Machine Part UNION GRINDER R4899.1 (28021) is a high-quality replacement component designed specifically for Astoria grinders, ensuring optimal performance and longevity of your espresso machine setup. Crafted with precision engineering, this union grinder part is constructed from durable materials that withstand the rigorous demands of daily commercial use. Its robust design guarantees consistent grinding quality, maintaining the fine consistency essential for extracting the perfect espresso shot every time. Compatible with a variety of Astoria grinder models, the UNION GRINDER R4899.1 ensures seamless integration and easy installation, minimizing downtime and maintenance efforts for café owners and baristas alike.

One of the standout features of the Astoria UNION GRINDER R4899.1 is its ability to deliver uniform grind size, which is crucial for achieving balanced flavor extraction. By providing steady particle size distribution, this part aids in preserving the nuanced flavors and aromas of specialty coffee beans, enhancing the overall sensory experience of each espresso shot. Additionally, its reliable construction reduces vibrations and mechanical wear, contributing to quieter operation and extending the lifespan of both the grinder and espresso machine. This makes it an ideal choice for high-traffic coffee shops, restaurants, or any professional setting where consistent coffee quality and machine reliability are paramount.

In terms of usage, the UNION GRINDER R4899.1 serves as an essential maintenance and repair accessory that helps protect your initial investment in premium Astoria espresso equipment. Regular replacement of grinder components like this part prevents common issues such as uneven grinding, clogging, and motor strain, which can compromise both machine efficiency and beverage quality. Whether you’re a café manager looking to maintain peak performance or a technician performing routine servicing, this part simplifies upkeep while promoting sustainable machine operation. Available exclusively through Kaldi.com, it provides a trusted solution backed by fast shipping and expert customer support, ensuring your espresso setup remains in top condition and continues to deliver exceptional coffee experiences.

Descriptions are for reference only. We do our best to fill in the blanks when manufacturers don’t provide descriptions, but details can vary. We strongly recommend checking with the manufacturer for the exact part number you need. Ordering based on the part number—rather than the description—is the best way to ensure compatibility.

Frequently Asked Questions

This Part #28021 fits Astoria machines. Compatibility may be specific to the machine's production year and model. Please consult the technical PDFs and compatibility data on this page to confirm a match for your specific unit before finalizing your purchase.

Compatibility for this specific Astoria part is currently being indexed. Because many parts from this manufacturer are cross-compatible, we rely on technical feedback. If you know this is a match for a specific machine, please contact us to help us verify and add it to our list.

If you are unsure of the fit, do not guess. To prevent downtime, please view our Compatible Parts Diagrams to check the exploded view PDF for your specific unit, or message our parts team for assistance.

Parts from Astoria including this ship directly from their warehouse. Please email or chat to confirm availability prior to ordering.
Yes. Part #28021 is a 100% genuine OEM component sourced directly from the Astoria factory. Using original parts ensures your equipment maintains its factory-spec pressure ratings and safety certifications.
Lead times for Astoria parts typically range from 3 to 5 business days depending on availability. Next Day Air parts usually ship within 1 to 2 business days.
All Astoria parts come with a 365-day manufacturer's warranty. Contact us for specific warranty details.
All Astoria parts come with a no returns, all sales final return policy. Please see our refund policy or chat for more details.

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